From eeedb40bdc0510dec0e2ddca149e82bff7495d0a Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@finalrewind.org>
Date: Mon, 20 Apr 2020 20:20:52 +0200
Subject: switch to a proper dark theme using javascript and sass

The dark=1 option is still supported, but no longer visible in the UI.
---
 lib/DBInfoscreen.pm | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'lib/DBInfoscreen.pm')

diff --git a/lib/DBInfoscreen.pm b/lib/DBInfoscreen.pm
index 6be6e2c..1828737 100644
--- a/lib/DBInfoscreen.pm
+++ b/lib/DBInfoscreen.pm
@@ -26,6 +26,24 @@ my %default = (
 sub startup {
 	my ($self) = @_;
 
+	$self->hook(
+		before_dispatch => sub {
+			my ($self) = @_;
+
+           # The "theme" cookie is set client-side if the theme we delivered was
+           # changed by dark mode detection or by using the theme switcher. It's
+           # not part of Mojolicious' session data (and can't be, due to
+           # signing and HTTPOnly), so we need to add it here.
+
+			for my $cookie ( @{ $self->req->cookies } ) {
+				if ( $cookie->name eq 'theme' ) {
+					$self->session( theme => $cookie->value );
+					return;
+				}
+			}
+		}
+	);
+
 	$self->attr(
 		cache_hafas => sub {
 			my ($self) = @_;
-- 
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